Very nice rifle. Back in the late 1970's my uncle and Al were close friends, so when I visited him in Spokane we went over to the shop and met with Al and had lunch. When Al learned I was practicing engraving he shipped his brand new, never used GraverMeister to me to use and play with. Well I never became much of an engraver but the day I spent with Al was a treat that I have long remembered. (Lots of stories and BS over lunch)
I wish I could help you on the engraver question, however I would contact Biesen Custom Guns and maybe Paula can help you out. She is Al's daaughter and was the engraver part of the family. Both Al and Roger have passed.